PyroCLAY provides a highly available source of silicon. It contains 97 natural elements. Improves plant vigor and provides several critical nutrients benefiting the soil by adding many rare minerals and elements. Much research has been done showing the huge benefit to the plants and soil by adding of small amounts of PyroCLAY to soil or soilless mixes.

This item is sold individually. The case size is listed for your convenience for instances where you wish to order in case quantities.